hair strengthening serum

Discover a wide range of hair strengthening serums at Square-One, your ultimate destination for all your hair care needs. Our selection includes top-quality serums that are specially formulated to nourish and strengthen your hair, leaving it looking healthier and more vibrant. Whether you're dealing with dry, damaged, or weak hair, our serums are designed to provide the essential nutrients and hydration your hair needs to regain its strength and vitality. Shop now and give your hair the care it deserves at Square-One.

Kérastase Genesis Strengthening Serum for Hair and Scalp 3.04oz/90ml
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Kérastase

Kérastase Genesis Strengthening Serum for Hair and Scalp 3.04oz/90ml

Current price: $95.00
From Sephora
Fortifying Hair Serum
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RANAVAT

Fortifying Hair Serum

Current price: $114.00
From Holt Renfrew
Kérastase Resistance Hair Serum for Extremely Damaged Hair 1 oz/ 30 mL
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Kérastase

Kérastase Resistance Hair Serum for Extremely Damaged Hair 1 oz/ 30 mL

Current price: $84.00
From Sephora
Hair Rituel By Sisley-Paris Revitalizing Fortifying Hair Serum Duo
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SISLEY PARIS

Hair Rituel By Sisley-Paris Revitalizing Fortifying Hair Serum Duo

Current price: $480.00
From Holt Renfrew
Kérastase Nutritive 8H Magic Night Hair Serum for Dry Hair 3.04 oz / 90 ml
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Kérastase

Kérastase Nutritive 8H Magic Night Hair Serum for Dry Hair 3.04 oz / 90 ml

Current price: $95.00
From Sephora
V Shaping Facial Lift Serum
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CLARINS V

V Shaping Facial Lift Serum

Current price: $102.00
From Holt Renfrew
Vegamour GRO Hair Serum for Thinning oz / mL
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Vegamour

Vegamour GRO Hair Serum for Thinning oz / mL

Current price: $86.50
From Sephora
Healing Oil
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VIRTUE

Healing Oil

Current price: $60.00
From Holt Renfrew
The Ordinary Multi-Peptide Serum for Hair Density for Thicker, Fuller Looking Hair 2 oz/ 60 mL
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The Ordinary

The Ordinary Multi-Peptide Serum for Hair Density for Thicker, Fuller Looking Hair 2 oz/ 60 mL

Current price: $29.60
From Sephora
Hair Alchemy Fortifying Treatment Serum
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ORIBE

Hair Alchemy Fortifying Treatment Serum

Current price: $40.00
From Holt Renfrew
AAVRANI Mini Strengthening Hair Oil & Growth Serum Gift Set
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AAVRANI

AAVRANI Mini Strengthening Hair Oil & Growth Serum Gift Set

Current price: $51.00
From Sephora
Tame Hair Serum
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AESOP

Tame Hair Serum

Current price: $47.00
From Holt Renfrew
Oribe Hair Alchemy Strengthening Treatment Serum oz
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Oribe

Oribe Hair Alchemy Strengthening Treatment Serum oz

Current price: $40.00
From Sephora
Gel Serum
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ORIBE

Gel Serum

Current price: $79.00
From Holt Renfrew
Kérastase Initialiste Strengthening & Volumizing Advanced Scalp & Hair Serum 2.2 oz/ 60 mL
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Kérastase

Kérastase Initialiste Strengthening & Volumizing Advanced Scalp & Hair Serum 2.2 oz/ 60 mL

Current price: $86.50
From Sephora
Night Serum
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DR BARBARA STURM

Night Serum

Current price: $1,015.00
From Holt Renfrew
Pureology Strength Cure Dream Healer Serum for Damaged Hair 3.38 oz / 100 ml
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Pureology

Pureology Strength Cure Dream Healer Serum for Damaged Hair 3.38 oz / 100 ml

Current price: $65.00
From Sephora
Briogeo Destined for Density™ Peptide Hair Serum for Thicker, Fuller Hair 1.5 oz / 45 mL
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Briogeo

Briogeo Destined for Density™ Peptide Hair Serum for Thicker, Fuller Hair 1.5 oz / 45 mL

Current price: $77.00
From Sephora
Gisou Honey Infused Hair Repair Serum 1 oz / 30 mL
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Gisou

Gisou Honey Infused Hair Repair Serum 1 oz / 30 mL

Current price: $61.00
From Sephora
OUAI Hydrating Scalp Serum for Healthy, Fuller Looking Hair 2 oz / 60 mL
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OUAI

OUAI Hydrating Scalp Serum for Healthy, Fuller Looking Hair 2 oz / 60 mL

Current price: $90.00
From Sephora
SkinHero™ Calendula + 2% Bakuchiol Bio-Retinol Serum
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THREE SHIPS

SkinHero™ Calendula + 2% Bakuchiol Bio-Retinol Serum

Current price: $50.00
From Holt Renfrew
shu uemura Izumi Tonic Strengthening & Thickening Rice Water Hair Serum 3.04 oz / 90 mL
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shu uemura

shu uemura Izumi Tonic Strengthening & Thickening Rice Water Hair Serum 3.04 oz / 90 mL

Current price: $94.50
From Sephora
COLOR WOW Youth Juice Collagen Scalp Serum for Thinning Hair 1.7 oz / 50 mL
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COLOR WOW

COLOR WOW Youth Juice Collagen Scalp Serum for Thinning Hair 1.7 oz / 50 mL

Current price: $69.50
From Sephora
Abeille Royale Double R Renew & Repair Eye Serum
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GUERLAIN

Abeille Royale Double R Renew & Repair Eye Serum

Current price: $180.00
From Holt Renfrew